/**
 * This file is part of 1genia trampoline
 * Copyright (C) 2007 1genia (contact@1genia.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of the License. 
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; see the file COPYING.TXT.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA 02110-1301, USA. 
 **/
package com.genia.toolbox.projects.toolbox_basics_project.spring.manager.impl;

import org.springframework.transaction.annotation.Transactional;

import com.genia.toolbox.basics.bean.DataContainer;
import com.genia.toolbox.basics.exception.technical.TechnicalException;
import com.genia.toolbox.persistence.bean.Persistable;
import com.genia.toolbox.persistence.dao.AbstractDAO;
import com.genia.toolbox.persistence.exception.ObjectIsNotPersistentException;
import com.genia.toolbox.persistence.exception.PersistenceException;
import com.genia.toolbox.persistence.jcr.manager.DataContainerManager;
import com.genia.toolbox.projects.toolbox_basics_project.bean.model.FileContent;
import com.genia.toolbox.projects.toolbox_basics_project.bean.model.impl.FileContentImpl;
import com.genia.toolbox.projects.toolbox_basics_project.spring.manager.FileContentManager;

/**
 * implementation of {@link FileContentManager}.
 */
public class FileContentManagerImpl
    extends AbstractDAO
    implements FileContentManager
{

  /**
   * the {@link DataContainerManager} to use.
   */
  private DataContainerManager dataContainerManager;



  /**
   * returns the {@link DataContainer} represented by the given
   * {@link FileContent}.
   * 
   * @param fileContent
   *          the {@link FileContent} to translate
   * @return the {@link DataContainer} represented by the given
   *         {@link FileContent}
   * @throws TechnicalException
   *           when an error occured
   * @see com.genia.toolbox.projects.toolbox_basics_project.spring.manager.FileContentManager#getDataContainer(com.genia.toolbox.projects.toolbox_basics_project.bean.model.FileContent)
   */
  public DataContainer getDataContainer(FileContent fileContent)
      throws TechnicalException
  {
    return getDataContainerManager().getDataContainer(fileContent.getUuid());
  }



  /**
   * return a persisted {@link FileContent} representing the given
   * {@link DataContainer}.
   * 
   * @param dataContainer
   *          the {@link DataContainer} to persist
   * @return a persisted {@link FileContent} representing the given
   *         {@link DataContainer}
   * @throws TechnicalException
   *           when an error occured
   * @see com.genia.toolbox.projects.toolbox_basics_project.spring.manager.FileContentManager#getFileContent(com.genia.toolbox.basics.bean.DataContainer)
   */
  @Transactional(rollbackFor = { TechnicalException.class })
  public FileContent getFileContent(DataContainer dataContainer)
      throws TechnicalException
  {
    FileContentImpl fileContent = new FileContentImpl();
    fileContent.setUuid(getDataContainerManager().persistDataContainer(dataContainer));
    save(fileContent);
    return fileContent;
  }



  /**
   * getter for the dataContainerManager property.
   * 
   * @return the dataContainerManager
   */
  public DataContainerManager getDataContainerManager()
  {
    return dataContainerManager;
  }



  /**
   * setter for the dataContainerManager property.
   * 
   * @param dataContainerManager
   *          the dataContainerManager to set
   */
  public void setDataContainerManager(DataContainerManager dataContainerManager)
  {
    this.dataContainerManager = dataContainerManager;
  }



  /**
   * delete a {@link FileContent}.
   * 
   * @param fileContent
   *          the {@link FileContent} to delete
   * @throws PersistenceException
   *           if an error occured
   * @see com.genia.toolbox.projects.toolbox_basics_project.spring.manager.FileContentManager#delete(com.genia.toolbox.projects.toolbox_basics_project.bean.model.FileContent)
   */
  public void delete(FileContent fileContent)
      throws PersistenceException
  {
    if (fileContent instanceof Persistable) {
      super.delete((Persistable<?>) fileContent);
    }
    else {
      throw new ObjectIsNotPersistentException();
    }
  }
}
